Toya Smith

Investigators have confirmed that a former special education teacher accused of killing four people in a pair of shootings used a grenade in one of the attacks, police said. Erbie Bowser, 44, has been charged with capital murder.

An army veteran, who also worked as a special education teacher and once performed as a Dallas Maverick ManiAAC, will be charged with four counts of capital murder, according to law enforcement officials from the Dallas and DeSoto Police Departments.